新概念英语练习题When he had killed the guard,he dragged him into the bushes._____the guard he dragged him into the bushes.Aon having killedBWhen killingCWhen having killedDOn havingbeen killed老师告诉我们选A,还说只能从句子成分方面考虑.when后加动名词做伴随状语,因为句子的主辅成分颠倒,所以只能选A.但我还是弄不明白
问题描述：
新概念英语练习题
When he had killed the guard,he dragged him into the bushes._____the guard he dragged him into the bushes.
Aon having killed
BWhen killing
CWhen having killed
DOn havingbeen killed老师告诉我们选A,还说只能从句子成分方面考虑.when后加动名词做伴随状语,因为句子的主辅成分颠倒,所以只能选A.但我还是弄不明白
答
不知是从成分考虑,B是错的不可能边杀ing边dragged
C也是错的
D也是错的,on/upon doing表示一怎么怎么的,就.
D用了被动,是杀不是被杀
所以选A